Home / 3,855.10-5,781.03-2,623.18

Finding the Fourth Proportional to 3,855.10, 5,781.03 and 2,623.18

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Solution

The fourth proportional to 3,855.10, 5,781.03 and 2,623.18 is: 3,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.10 : 5,781.03 = 2,623.18 : x
  2. Step 2: Convert to fraction form
    3,855.10/5,781.03 = 2,623.18/x
  3. Step 3: Cross multiply
    3,855.10x = 5,781.03 × 2,623.18
  4. Step 4: Simplify right side
    3,855.10x = 15,164,682.28
  5. Step 5: Solve for x
    x = 15,164,682.28/3,855.10
  6. Step 6: Final answer
    x = 3,933.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.